← Commit history

Publish 0.2.0

Ray ·159bcd9a9e · ·parent 1772846
3 files changed +29−15
README.md+14
@@ -45,6 +45,20 @@ SG2525AP013TR from STMicroelectronics, in a SOIC-16. Pinout and pin descriptions - Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm` - 3D model: SOIC-16 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`sg2525ap013tr.step`](sg2525ap013tr.step) | 217 KB | You want the bare part, or you mark your own boards. |+| [`sg2525ap013tr-etched.step`](sg2525ap013tr-etched.step) | 3.3 MB | You want the part with `SG2525AP013TR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 797 faces against 267 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1
@@ -1,6 +1,6 @@ {   "slug": "sg2525ap013tr",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "STMicroelectronics DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [
page.json+14−14
@@ -4,7 +4,7 @@   "slug": "sg2525ap013tr",   "title": "SG2525AP013TR",   "brief": "STMicroelectronics DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -40,7 +40,7 @@         "number": "2",         "name": "N.I.INPUT",         "type": "input",-        "description": "Non-inverting input of the error amplifier. Typical input bias current 1 \u00b5A, input offset voltage 0.5 mV."+        "description": "Non-inverting input of the error amplifier. Typical input bias current 1 µA, input offset voltage 0.5 mV."       },       {         "number": "3",@@ -58,25 +58,25 @@         "number": "5",         "name": "CT",         "type": "passive",-        "description": "Oscillator timing capacitor connection. External CT to ground (0.001 \u00b5F to 0.1 \u00b5F) sets the oscillator frequency together with RT per f = 1/(CT\u00b7(0.7\u00b7RT + 3\u00b7RD))."+        "description": "Oscillator timing capacitor connection. External CT to ground (0.001 µF to 0.1 µF) sets the oscillator frequency together with RT per f = 1/(CT·(0.7·RT + 3·RD))."       },       {         "number": "6",         "name": "RT",         "type": "passive",-        "description": "Oscillator timing resistor connection. External RT to ground (2 k\u03a9 to 150 k\u03a9) sets the CT charging current, defining the oscillator frequency (100 Hz to 400 kHz range)."+        "description": "Oscillator timing resistor connection. External RT to ground (2 kΩ to 150 kΩ) sets the CT charging current, defining the oscillator frequency (100 Hz to 400 kHz range)."       },       {         "number": "7",         "name": "DISCHARGE",         "type": "passive",-        "description": "Deadtime / discharge resistor terminal. A resistor RD (0 to 500 \u03a9) between CT (pin 5) and DISCHARGE sets the CT discharge time, providing adjustable deadtime between the two outputs."+        "description": "Deadtime / discharge resistor terminal. A resistor RD (0 to 500 Ω) between CT (pin 5) and DISCHARGE sets the CT discharge time, providing adjustable deadtime between the two outputs."       },       {         "number": "8",         "name": "SOFT-START",         "type": "passive",-        "description": "Soft-start capacitor terminal. Internally source-pulled (~50 \u00b5A typical) to charge an external capacitor and ramp the PWM duty cycle from zero on start-up; also discharged during shutdown."+        "description": "Soft-start capacitor terminal. Internally source-pulled (~50 µA typical) to charge an external capacitor and ramp the PWM duty cycle from zero on start-up; also discharged during shutdown."       },       {         "number": "9",@@ -88,13 +88,13 @@         "number": "10",         "name": "SHUTDOWN",         "type": "input",-        "description": "PWM shutdown input. A positive signal (threshold 0.6-1 V, typical 0.8 V) immediately terminates PWM output via the latch and begins discharging the soft-start capacitor (150 \u00b5A sink). Should not be left floating; tie low if unused."+        "description": "PWM shutdown input. A positive signal (threshold 0.6-1 V, typical 0.8 V) immediately terminates PWM output via the latch and begins discharging the soft-start capacitor (150 µA sink). Should not be left floating; tie low if unused."       },       {         "number": "11",         "name": "OUTPUT A",         "type": "output",-        "description": "Totem-pole PWM output A. Alternates with OUTPUT B at half the oscillator frequency. Capable of sourcing/sinking >200 mA (peak 400 mA), rise/fall times ~100/50 ns into 1 nF. VOH = VC \u2212 1 V typ at 100 mA source."+        "description": "Totem-pole PWM output A. Alternates with OUTPUT B at half the oscillator frequency. Capable of sourcing/sinking >200 mA (peak 400 mA), rise/fall times ~100/50 ns into 1 nF. VOH = VC − 1 V typ at 100 mA source."       },       {         "number": "12",@@ -106,7 +106,7 @@         "number": "13",         "name": "VC",         "type": "power_in",-        "description": "Collector supply for the totem-pole output driver stages. Separate from VI to allow the output drivers to be powered from a different rail (4.5 V to 35 V; absolute max 40 V). Bypass with 0.1 \u00b5F close to the pin."+        "description": "Collector supply for the totem-pole output driver stages. Separate from VI to allow the output drivers to be powered from a different rail (4.5 V to 35 V; absolute max 40 V). Bypass with 0.1 µF close to the pin."       },       {         "number": "14",@@ -124,7 +124,7 @@         "number": "16",         "name": "VREF",         "type": "power_out",-        "description": "Internal 5.1 V reference output (trimmed to \u00b11 %). Short-circuit limited to ~80 mA typical; load current 0 to 20 mA. Bypass with 0.1 \u00b5F to ground close to the pin."+        "description": "Internal 5.1 V reference output (trimmed to ±1 %). Short-circuit limited to ~80 mA typical; load current 0 to 20 mA. Bypass with 0.1 µF to ground close to the pin."       }     ],     "provenance": {@@ -198,9 +198,9 @@     "docs/hero.png",     "docs/sg2525ap013tr-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "STMicroelectronics DC-DC Converters, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file